45521231533 has 8 divisors (see below), whose sum is σ = 46396343808. Its totient is φ = 44646720144.

The previous prime is 45521231519. The next prime is 45521231543. The reversal of 45521231533 is 33513212554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45521231533 - 2⁵ = 45521231501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45521231543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4260 + ... + 301762.

It is an arithmetic number, because the mean of its divisors is an integer number (5799542976).

Almost surely, 2^45521231533 is an apocalyptic number.

It is an amenable number.

45521231533 is a deficient number, since it is larger than the sum of its proper divisors (875112275).

45521231533 is a wasteful number, since it uses less digits than its factorization.

45521231533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300443.

The product of its digits is 54000, while the sum is 34.

The spelling of 45521231533 in words is "forty-five billion, five hundred twenty-one million, two hundred thirty-one thousand, five hundred thirty-three".